package com.example.util;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

public class HttpUtil {
    public static final String Base_url = "http://172.27.35.1:8080/SpeaktoitCookbookWeb";
    // 创建 HttpClient对象
    public static HttpClient httpClient = new DefaultHttpClient();

    /**
     * 
     * @param url
     *            发送请求的URL
     * @return 服务器响应字符串
     * @throws Exception
     */
    public static String getRequest(String url) throws Exception {
        System.out.println("############进入HttpUtil:getRequest");
        // 创建 HttpGet对象
        HttpGet get = new HttpGet(url);
        // 发送GET请求
        HttpResponse httpResponse = httpClient.execute(get);
        // 如果服务器成功地返回响应
        if (httpResponse.getStatusLine().getStatusCode() == 200) {
            // 获取服务器响应字符串
            String result = EntityUtils.toString(httpResponse.getEntity());
            System.out.println("############服务器成功响应" + result);
            return result;
        } else {
            System.out.println("############服务器未响应,错误代码："
                    + httpResponse.getStatusLine().getStatusCode());
        }
        return null;
    }

    /**
     * 
     * @param url
     *            发送请求的URL
     * @param params
     *            请求参数
     * @return 服务器响应字符串
     * @throws Exception
     */
    public static String postRequest(String url, Map<String, String> rawParams)
            throws Exception {
        // 创建HttpPost对象。
        HttpPost post = new HttpPost(url);
        // 如果传递参数个数比较多的话可以对传递的参数进行封装
        List<NameValuePair> params = new ArrayList<NameValuePair>();
        for (String key : rawParams.keySet()) {
            // 封装请求参数
            params.add(new BasicNameValuePair(key, rawParams.get(key)));
        }
        // 设置请求参数
        post.setEntity(new UrlEncodedFormEntity(params, "utf-8"));
        // 发送POST请求
        HttpResponse httpResponse = httpClient.execute(post);
        // 如果服务器成功地返回响应
        if (httpResponse.getStatusLine().getStatusCode() == 200) {
            // 获取服务器响应字符串
            String result = EntityUtils.toString(httpResponse.getEntity());
            return result;
        }
        return null;
    }
}
